Lee, I.D.G. <br/><br/>
non-destructive method for measuring the elastic anisotropy- of wood using an ultrasonic pulse technique / by I.D.G. LE-E. ltrasonic pulse technique / by I.D.G. LE-E. 

 - College Hill, [Londres] : Timber Development Association 
 - [16] p. 
 - Research report; RR 9Research report; RR 9 .